Respuesta :
Answer:
- 3 < y
- y < -2
Step-by-step explanation:
1. -2y+7 < 1
Add 2y-1:
6 < 2y
Divide by 2:
3 < y
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2. 4y +3 < -5
Subtract 3:
4y < -8
Divide by 4:
y < -2
_____
These are graphed on the number line with open circles because y=-2 and y=3 are not part of the solution set.
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Answer:
y < -2 or y > 3
Step-by-step explanation:
[tex](1)\\\\-2y+7<1\qquad\text{subtract 7 from both sides}\\-2y+7-7<1-7\\-2y<-6\qquad\text{change the signs}\\2y>6\qquad\text{divide both sides by 2}\\\boxed{y>3}\\\\(2)\\\\4y+3<-5\qquad\text{subtract 3 from both sides}\\4y+3-3<-5-3\\4y<-8\qquad\text{divide both sides by 4}\\\boxed{y<-2}\\\\\text{From (1) and (2) we have:}\ y<-2\ or\ y>3[/tex]
[tex]<,\ >-\text{op}\text{en circle}\\\leq,\ \geq-\text{closed circle}[/tex]
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